let a = 1;
let b = 2;

class Person{
    constructor(name,age){
        this.name = name;
        this.age = age;
    }
    say(){
        console.log(this.name);
    }
}

let obj = {
    name:'yuonly',
    age:20
}

export default{
    a,
    b,
    obj,
    Person
}
